.divide
  height: 10px
  background-color: rgb(240,240,240)
.colorSty
  color: #f05a29
/* 1像素边框的设置 */
border-1px($color)
  position: relative
  &:after
    display: block
    position: absolute
    left: 0
    bottom: 0
    width: 100%
    border-top: 1px solid $color
    content: ' '
bg-image($url)
  background-image: url($url+"@2x.png")
  @media (-webkit-min-device-pixel-ratio: 3), (min-device-pixel-ratio: 3) {
    background-image: url($url+"@3x.png")
  }
#zIndex
  position fixed
  width: 100%
  height: 100%
  z-index: 100
  background-color #fff

